1. Pulmonary patient assessment;Ahrens,1996
2. Use of a transcutaneous PO2 regional perfusion index to quantify tissue perfusion in peripheral vascular disease;Hauser;Ann Surg,1983
3. Noninvasive vascular testing;Blackburn,1999
4. Determination of arterial oxygen tension in man by equilibration through intact skin;Baumberger,1951
5. Continuous recording of blood oxygen tensions by polarography;Clark;J Appl Physiol,1953